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楼主 |
发表于 2007-11-28 17:50:00
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Re:????????
??????????(????????????)
hr = m_pID3D9Device->CreateTexture(m_sEditRes.ulWidth, m_sEditRes.ulHeight/2, 1, 0, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &ms_pITexture, NULL);
???????????????:
hr = device->CreateVertexBuffer(
_vbSize * sizeof(Particle),
D3DUSAGE_DYNAMIC | D3DUSAGE_POINTS | D3DUSAGE_WRITEONLY,
Particle::FVF,
D3DPOOL_DEFAULT, // D3DPOOL_MANAGED can't be used with D3DUSAGE_DYNAMIC
&_vb,
0);
?????????
hr = m_pID3D9Device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
hr = m_pID3D9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
hr = m_pID3D9Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
hr = m_pID3D9Device->SetRenderState(D3DRS_SPECULARENABLE, TRUE);
hr = m_pID3D9Device->SetTexture( 0, ms_pITexture[m_nInputSurfaceCount - nTimesID - 1] );
hr = m_pID3D9Device->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1 );
hr = m_pID3D9Device->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
hr = m_pID3D9Device->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
hr = m_pID3D9Device->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
hr = m_pID3D9Device->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
hr = m_pID3D9Device->SetTexture( 1, NULL );
????DrawPrimitive ???????????
???DrawPrimitive????? ?????
_device->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
_device->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
_device->SetRenderState(D3DRS_ALPHABLENDENABLE, true);
_device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
_device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
_device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
_device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
// read, but don't write particles to z-buffer
_device->SetRenderState(D3DRS_ZWRITEENABLE, false);
??DrawPrimitive????
??present
??????????????????????????????????_device->SetTextureStageState(0, D3DTSS_COLOROP,D3DTOP_DISABLE );???????????;?????????????,????????
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发表于 2007-11-28 17:31:00